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iommu/mediatek: Add IOMMU_TYPE flag

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Add IOMMU_TYPE definition. In the mt8195, we have another IOMMU_TYPE:
infra iommu, also there will be another APU_IOMMU, thus, use 2bits for the
IOMMU_TYPE.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220503071427.2285-17-yong.wu@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Yong Wu 2022-05-03 15:14:07 +08:00 committed by Joerg Roedel
parent 9ec30c0954
commit 8cd1e619e7
1 changed files with 10 additions and 2 deletions
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12
drivers/iommu/mtk_iommu.c
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@ -126,9 +126,17 @@
#define SHARE_PGTABLE BIT(10) /* 2 HW share pgtable */
#define DCM_DISABLE BIT(11)
#define STD_AXI_MODE BIT(12) /* For non MM iommu */
/* 2 bits: iommu type */
#define MTK_IOMMU_TYPE_MM (0x0 << 13)
#define MTK_IOMMU_TYPE_INFRA (0x1 << 13)
#define MTK_IOMMU_TYPE_MASK (0x3 << 13)
#define MTK_IOMMU_HAS_FLAG(pdata, _x) \
((((pdata)->flags) & (_x)) == (_x))
#define MTK_IOMMU_HAS_FLAG_MASK(pdata, _x, mask) \
((((pdata)->flags) & (mask)) == (_x))
#define MTK_IOMMU_HAS_FLAG(pdata, _x) MTK_IOMMU_HAS_FLAG_MASK(pdata, _x, _x)
#define MTK_IOMMU_IS_TYPE(pdata, _x) MTK_IOMMU_HAS_FLAG_MASK(pdata, _x,\
MTK_IOMMU_TYPE_MASK)
struct mtk_iommu_domain {
struct io_pgtable_cfg cfg;